StarTech.com Cisco GLC-LH-SM-compatible SFP-transceiver module - 1000BASE-LX/LH - SFP-transmits/receiver module (mini-GBIC) - 1GbE - 1000Base-LH - LC single mode - upp till 10 km - 1310 nm - for P/N: ET91000SFP2, ET91000SFP2C, IES101002SFP, MCM1110SFP, PEX1000SFP2 - Parimhind.ee